/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package diet.controller;

import diet.XMLUtils.XMLUltis;
import diet.dto.FoodDTO;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
/**
 *
 * @author Vrety
 */
public class AjaxSearchFoodAdminServlet extends HttpServlet {

    private XMLUltis xu = null;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String foodname = request.getParameter("FoodName");
            response.setContentType("text/plain");
            response.setCharacterEncoding("UTF-8");
            xu = new XMLUltis();
            List<FoodDTO> results = xu.searchFood(getServletContext().getRealPath("/"), foodname);

            //use session to save paging table
            HttpSession httpSession = request.getSession();
            httpSession.setAttribute("foodResultsCus", results);

            response.setContentType("text/plain");
            response.setCharacterEncoding("UTF-8");
            //response.getWriter().write("You searched: " + foodname);
            response.sendRedirect("cooking.jsp");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
